Re: kernel tailored for desktop

[Jonathan Nieder <jrnieder@gmail.com>]

Hi José,

José Francisco Lombera Landa wrote:

> Is there any plan to ship a linux kernel tailored for the desktop (e.g. HZ=1000, etc.)?
> Kind of:
>   - linux-image-server-<version>-<platform>.deb
>   - linux-image-desktop-<version>-<platform>.deb

Not that I know of.  Generally speaking, we try to make the standard
kernel in experimental (currently linux-image-3.8-trunk-amd64) work
well for desktop systems.

If you find that kernel working poorly in some scenario and a
different configuration improves it, I'd like to hear so we can work
on fixing it.

> If not, is there a way to automatically recompile and install the
> linux image with the desired configurations (e.g. HZ=1000)

I hope that HZ=1000 doesn't improve much.  Modern kernels are built
with NO_HZ=Y, so the main effect of that setting is to change the
granularity of msleep.  250 Hz = 4 ms per tick.

If you would like to build a kernel with a custom configuration to
test, see http://kernel-handbook.alioth.debian.org/ch-common-tasks.html

Hope that helps,
Jonathan